There are three audio channels within the patrol car video 1382_202407131806_Unit5-0.mp4, and this the car of the famous roof-climbing Butler city police officer, who parked his vehicle at the eastern side of AGR building 6 with a view to its main door. Interestingly, these three audio channels appear to record microphones mounted at front, middle and rear of the car, with the outermost two channel recording ambient noise.
Within the first coming group of three shots, the signal farrives first on channel one, then on channel two and then on channel three. The delay between channel 1 and channel 3 is around 10 ms. I haven’t yet checked the second group of shots, but I expect them to show the same pattern …
